模拟机器人逐字回答，类似于实时回话
代码如下
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title>
</head><body><div class="box"></div><script>let box = document.querySelector('.box')let str = '今天天气真不错！适合出门玩耍！'let i = 1let timer = setInterval(() => {console.log('回话中...');box.innerHTML = str.slice(0, i)i++if (i >= str.length + 1) {clearInterval(timer)console.log('结束会话！！！');}}, 200)</script>
</body></html>